/*
*    Qizx/open 3.0 beta
*
* This code is the open-source version of Qizx.
* Copyright (C) 2004-2009 Axyana Software -- All rights reserved.
*
* The contents of this file are subject to the Mozilla Public License 
*  Version 1.1 (the "License"); you may not use this file except in 
*  compliance with the License. You may obtain a copy of the License at
*  http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
*  WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
*  for the specific language governing rights and limitations under the
*  License.
*
* The Initial Developer of the Original Code is Xavier Franc - Axyana Software.
*
*/
using System;
using QizxException = System.Qizx.Api.QizxException;
using Binary = System.Qizx.Util.Binary;
using Comparison = System.Qizx.Util.Basic.Comparison;
using BaseValue = System.Qizx.XQuery.BaseValue;
using ComparisonContext = System.Qizx.XQuery.ComparisonContext;
using XQItem = System.Qizx.XQuery.XQItem;
using XQType = System.Qizx.XQuery.XQType;
using XQTypeException = System.Qizx.XQuery.XQTypeException;
namespace System.Qizx.XQuery.Dt
{
	
	/// <summary> Abstract Binary value (hex & base64).</summary>
	public abstract class BinaryValue:BaseValue
	{
		public override XQItem Item
		{
			get
			{
				return this;
			}
			
		}
		public abstract Binary Value{get;}
		public override string ValueAsString
		{
			get
			{
				return itemType == XQType.HEX_BINARY?Value.toHexString():Value.toBase64String();
			}
			
		}
		public override System.Object Object
		{
			get
			{
				return Value;
			}
			
		}
		
		public  override bool Equals(System.Object that)
		{
			if (!(that is BinaryValue))
				return false;
			return Value.Equals(((BinaryValue) that).Value);
		}
		
		public override int GetHashCode()
		{
			return Value.GetHashCode();
		}
		
		public override int CompareTo(XQItem that, ComparisonContext context, int flags)
		{
			if (!(that is BinaryValue))
				return Comparison.ERROR;
			// no order:
			return Value.Equals(((BinaryValue) that).Value)?Comparison.EQ:Comparison.FAIL;
		}
	}
}